diff options
| author | Takashi Iwai <tiwai@suse.de> | 2017-11-13 15:43:04 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2017-11-13 15:43:13 +0100 |
| commit | c429bda21ffafb28f02fb2eb4055b4ab6879ed58 (patch) | |
| tree | 80715bf534bfa3bcb69ef77cf1dc5f9d98919b44 /sound/core/hwdep.c | |
| parent | 75ee94b20b46459e3d29f5ac2c3af3cebdeef777 (diff) | |
| parent | 9718a29d40b7e5ae4692796eb23c54f25559d35e (diff) | |
Merge branch 'for-next' into for-linus
Pull 4.15 updates to take over the previous urgent fixes.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/core/hwdep.c')
| -rw-r--r-- | sound/core/hwdep.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/core/hwdep.c b/sound/core/hwdep.c index a73baa1242be..8faae3d1455d 100644 --- a/sound/core/hwdep.c +++ b/sound/core/hwdep.c @@ -228,6 +228,8 @@ static int snd_hwdep_dsp_load(struct snd_hwdep *hw, memset(&info, 0, sizeof(info)); if (copy_from_user(&info, _info, sizeof(info))) return -EFAULT; + if (info.index >= 32) + return -EINVAL; /* check whether the dsp was already loaded */ if (hw->dsp_loaded & (1 << info.index)) return -EBUSY; |